//数据格式：规定一定要有id   checked:true
var zNodes = [
    {pId:0,id:1, name:'所有产品'},

    {pId:1,id:11,name: "产品A"},
    {pId:1,id:12,name: "产品B"},
    {pId:1,id:13,name: "产品C"},
    {pId:1,id:14,name: "产品D"},
];